<!DOCTYPE html>
<html>
<head>
    <meta charset='UTF-8'>
    <meta name="viewport" content="width=device-width;">
    <title>网格视图</title>
    <link rel="stylesheet" type="text/css" href="./css/grid.css">
    <style>
        .bor{
            border: 1px solid;
        }
    </style>
</head>
<body>
    <div class="row">
        <div class="span2 bor">span2</div>
        <div class="span2 bor">span2</div>
        <div class="span2 bor">span2</div>
        <div class="span2 bor">span2</div>
        <div class="span2 bor">span2</div>
        <div class="span2 bor">span2</div>
    </div>
    <div class="row">
        <div class="span3 bor">
            span3
        </div>
        <div class="span9 bor">
            span9
        </div>
    </div>
    <div class="row">
        <div class="span4 bor">
            span4
        </div>
        <div class="span8 bor">
            span8
        </div>
    </div>
    <div class="row">
        <div class="span6 bor">span6</div>
        <div class="span6 bor">span6</div>
    </div>
</body>